CN208622491U - A kind of high fire resistance buried cable for building - Google Patents
A kind of high fire resistance buried cable for building Download PDFInfo
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- CN208622491U CN208622491U CN201821476413.7U CN201821476413U CN208622491U CN 208622491 U CN208622491 U CN 208622491U CN 201821476413 U CN201821476413 U CN 201821476413U CN 208622491 U CN208622491 U CN 208622491U
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- mica layer
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Abstract
The utility model discloses a kind of high fire resistance buried cables for building, the inside of first mica layer is equipped with the second mica layer, longitudinal glass mat is equipped between first mica layer and the second mica layer, the inner wall for being tightly attached to longitudinal glass mat on the inside of the second mica layer is equipped with rock wool layer, the inner wall of rock wool layer is equipped with aramid fiber thermal insulation layer, the inner wall of aramid fiber thermal insulation layer is equipped with second insulating layer, the inside of second insulating layer is equipped with fixed plate, copper core is plugged in the cylindrical cavity that the inside of fixed plate is equipped with, the outer wall of copper core is enclosed with the first insulating layer.The first mica layer and the second mica layer in the utility model can effectively completely cut off boundary's heat, and first is equipped with longitudinal glass mat between mica layer and the second mica layer, longitudinal glass mat not only forms heat-insulated air chamber between the first mica layer and the second mica layer, heat-resisting quantity is increased, and longitudinal glass mat increases the anti-pull intensity of cable.
Description
Technical field
The utility model relates to high fire resistance buried cable technical field for building, specially a kind of high fire resistance for building
Buried cable.
Background technique
Cable is usually every group by several or the cable of similar rope that several groups of conducting wires [every group at least two] are twisted
Mutually insulated between conducting wire, and be often twisted into around a center, entire outside is surrounded by the coating of high-insulation.Multi rack is located at
In the air or it is mounted in underground, the bottom, is used for telecommunication or power Transmission.In real life, in order to ensure the safety of data, Ren Menxi
Hope after fire occurs there can be a possibility that data are steam again before entire net paralysis, data are lost by time enough
It is preferably minimized, this requires cable fire resistances with higher, however there are still following drawbacks for some buried cables:
For existing cable during actual use, fire resistance is poor, in the case of fire, the exterior cover sheets of cable
It is burned out, so as to cause the melting of cable inner copper core, so that cable can not continue to use, so as to cause losing for power-off or data
It loses.
Utility model content
The purpose of this utility model is to provide a kind of high fire resistance buried cables for building, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of high fire resistance buried cable for building,
Including the first mica layer, the second mica layer, aramid fiber thermal insulation layer, second insulating layer, the first insulating layer and copper core, first mica
The inside of layer is equipped with the second mica layer, and longitudinal glass mat is equipped between first mica layer and the second mica layer, is located at
The inner wall for being tightly attached to longitudinal glass mat on the inside of second mica layer is equipped with rock wool layer, and the inner wall of the rock wool layer is equipped with
Aramid fiber thermal insulation layer, the inner wall of the aramid fiber thermal insulation layer are equipped with second insulating layer, and the inside of the second insulating layer, which is equipped with, to be fixed
Plate is plugged with copper core in the cylindrical cavity that the inside of the fixed plate is equipped with, and the outer wall of the copper core is enclosed with the first insulating layer.
Preferably, longitudinal glass mat is rectangular configuration, and longitudinal glass mat is in the first mica layer
And second arrange in equidistant ring between mica layer.
Preferably, the fixed plate is equipped with three groups, and fixed plate described in three groups is the sector structure that angle is 120 degree, and
It is Nian Jie by binder between the plane of the fixed plate and plane.
Preferably, the copper core is equipped with three groups, and copper core described in three groups is circular configuration.
Preferably, the interlayer between first mica layer and the second mica layer is separated into multiple groups by longitudinal glass mat
Heat-insulated air chamber, heat-insulated air chamber described in multiple groups arranges between the first mica layer and the second mica layer in equidistant ring, and institute
Stating heat-insulated air chamber is arcuate structure.
Compared with prior art, the utility model has the beneficial effects that
1. the first mica layer and the second mica layer in the utility model can effectively completely cut off boundary's heat, and the first mica layer
And second be equipped with longitudinal glass mat between mica layer, longitudinal glass mat is not only in the first mica layer and the second mica layer
Between form heat-insulated air chamber, increase heat-resisting quantity, and longitudinal glass mat increases the anti-pull intensity of cable；
2. being successively arranged rock wool layer and aramid fiber thermal insulation layer on the inside of the second mica layer, effectively completely cut off what outside heat entered
Second insulating layer causes power-off and short circuit phenomenon after preventing the first insulating layer and second insulating layer to be burned out.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
In figure: the first mica layer 1, the second mica layer 2, longitudinal glass mat 3, heat-insulated air chamber 4, rock wool layer 5, aramid fiber
Thermal insulation layer 6, second insulating layer 7, fixed plate 8, the first insulating layer 9, copper core 10, cylindrical cavity 11.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of high fire resistance buried cable for building, including
First mica layer 1, the second mica layer 2, aramid fiber thermal insulation layer 6, second insulating layer 7, the first insulating layer 9 and copper core 10, the first mica
The inside of layer 1 is equipped with the second mica layer 2, and longitudinal glass mat 3 is equipped between the first mica layer 1 and the second mica layer 2, is located at
The inner wall that longitudinal glass mat 3 is tightly attached in the inside of second mica layer 2 is equipped with rock wool layer 5, and the inner wall of rock wool layer 5 is equipped with aramid fiber
Thermal insulation layer 6, the inner wall of aramid fiber thermal insulation layer 6 are equipped with second insulating layer 7, and the inside of second insulating layer 7 is equipped with fixed plate 8, fixed
Copper core 10 is plugged in the cylindrical cavity 11 that the inside of plate 8 is equipped with, the outer wall of copper core 10 is enclosed with the first insulating layer 9.
Further, longitudinal glass mat 3 is rectangular configuration, and longitudinal glass mat 3 is in the first mica layer 1 and the
It is arranged between two mica layers 2 in equidistant ring；
Further, fixed plate 8 is equipped with three groups, and three groups of fixed plates 8 are the sector structure that angle is 120 degree, and fixed
It is Nian Jie by binder between the plane and plane of layer 8；
Further, copper core 10 is equipped with three groups, and three groups of copper cores 10 are circular configuration；
Further, the interlayer between the first mica layer 1 and the second mica layer 2 is separated into more by longitudinal glass mat 3
The heat-insulated air chamber 4 of group, the heat-insulated air chamber 4 of multiple groups arrange between the first mica layer 1 and the second mica layer 2 in equidistant ring, and
Heat-insulated air chamber 4 is arcuate structure.
Working principle: in actual use, the first mica layer 1 and the second mica layer 2 can be effective for the use of the new type
Play the role of completely cutting off outside heat, and is equipped with longitudinal glass mat 3 between the first mica layer 1 and the second mica layer 2, it is longitudinal
On the one hand glass mat 3 can increase the anti-pull performance of cable, on the other hand the first mica layer 1 and the second mica layer 2 it
Between form heat-insulated air chamber 4, further prevent heat transmitted to the inside of cable, positioned at the second mica layer 2 inner wall according to
Secondary to be equipped with rock wool layer 5 and aramid fiber thermal insulation layer 6, rock wool layer 5 has good flame retardant effect, and the material of aramid fiber thermal insulation layer 6 is aramid fiber
1313, certain heat insulation can be played, and the position of copper core 10 can be fixed for fixed plate 8, improve the stabilization of copper core 10
Property, consequently facilitating the cladding of second insulating layer 7, use are more convenient, it is suitble to promote.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of high fire resistance buried cable for building, including the first mica layer (1), the second mica layer (2), aramid fiber thermal insulation layer
(6), second insulating layer (7), the first insulating layer (9) and copper core (10), it is characterised in that: the inside of first mica layer (1)
Longitudinal glass mat (3) is equipped with equipped with the second mica layer (2), between first mica layer (1) and the second mica layer (2),
The inner wall for being tightly attached to longitudinal glass mat (3) on the inside of second mica layer (2) is equipped with rock wool layer (5), the rock
The inner wall of cotton layer (5) is equipped with aramid fiber thermal insulation layer (6), and the inner wall of the aramid fiber thermal insulation layer (6) is equipped with second insulating layer (7), institute
The inside for stating second insulating layer (7) is equipped with fixed plate (8), cylindrical cavity (11) interpolation that the inside of the fixed plate (8) is equipped with
It is connected to copper core (10), the outer wall of the copper core (10) is enclosed with the first insulating layer (9).
2. one kind high fire resistance buried cable for building according to claim 1, it is characterised in that: the longitudinal direction glass fibers
Tieing up plate (3) is rectangular configuration, and longitudinal glass mat (3) is between the first mica layer (1) and the second mica layer (2)
Equidistant ring arrangement.
3. one kind high fire resistance buried cable for building according to claim 1, it is characterised in that: the fixed plate (8)
Equipped with three groups, fixed plate described in three groups (8) is the sector structure that angle is 120 degree, and the plane of the fixed plate (8) and flat
It is bonded between face by binder.
4. one kind high fire resistance buried cable for building according to claim 1, it is characterised in that: the copper core (10) sets
There are three groups, copper core described in three groups (10) is circular configuration.
5. one kind high fire resistance buried cable for building according to claim 1, it is characterised in that: first mica layer
(1) interlayer between the second mica layer (2) is separated into the heat-insulated air chamber of multiple groups (4), multiple groups institute by longitudinal glass mat (3)
It states heat-insulated air chamber (4) to arrange between the first mica layer (1) and the second mica layer (2) in equidistant ring, and the heat-insulated sky
Air cavity (4) is arcuate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821476413.7U CN208622491U (en) | 2018-09-11 | 2018-09-11 | A kind of high fire resistance buried cable for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821476413.7U CN208622491U (en) | 2018-09-11 | 2018-09-11 | A kind of high fire resistance buried cable for building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208622491U true CN208622491U (en) | 2019-03-19 |
Family
ID=65717271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821476413.7U Expired - Fee Related CN208622491U (en) | 2018-09-11 | 2018-09-11 | A kind of high fire resistance buried cable for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208622491U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828034A (en) * | 2019-11-15 | 2020-02-21 | 安徽省飞翔特种电缆有限公司 | Coke pusher is able to bear or endure high temperature travelling cable |
-
2018
- 2018-09-11 CN CN201821476413.7U patent/CN208622491U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828034A (en) * | 2019-11-15 | 2020-02-21 | 安徽省飞翔特种电缆有限公司 | Coke pusher is able to bear or endure high temperature travelling cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190319 Termination date: 20200911 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |